// : strings/Rudolph.java

public class Rudolph {
    public static void main(String[] args) {
        for (String pattern : new String[] {"Rudolph", "[rR]udolph", "[rR][aeiou][a-z]ol.*", "R.*"})
            System.out.println("Rudolph".matches(pattern));
    }
} /*
   * Output:
   * true
   * true
   * true
   * true
   */// :~
